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Osiris
on April 21, 2023
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CATL has announced a new “condensed” battery with ...
There are many companies making rechargeable lithium batteries in AA and AAA form factors. I have a few dozen I use for my door lock and Xbox controllers.
walrus01
on April 22, 2023
[–]
Internally these are a pretty normal small li ion or lipo battery (3.70 to 4.2VDC range) and a DC-DC converter to output 1.5V
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